Home / 97,781.18-146,671.78-51,023.12

Finding the Fourth Proportional to 97,781.18, 146,671.78 and 51,023.12

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Solution

The fourth proportional to 97,781.18, 146,671.78 and 51,023.12 is: 76,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,781.18 : 146,671.78 = 51,023.12 : x
  2. Step 2: Convert to fraction form
    97,781.18/146,671.78 = 51,023.12/x
  3. Step 3: Cross multiply
    97,781.18x = 146,671.78 × 51,023.12
  4. Step 4: Simplify right side
    97,781.18x = 7,483,651,831.55
  5. Step 5: Solve for x
    x = 7,483,651,831.55/97,781.18
  6. Step 6: Final answer
    x = 76,534.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.